It tells the story of two elite policemen, Luo Song and Gao Chuan, who works together to investigate the truth behind the accident which caused their teacher and benefactor, Cheng Feng Hua, to pass away.
Overview：It tells the story of two elite policemen, Luo Song and Gao Chuan, who works together to investigate the truth behind the accident which caused their teacher and benefactor, Cheng Feng Hua, to pass away.
